US Bridges

Rt Yy S over Possum Br

Fair

Bates County, Missouri · S 3 T 39 N R 31 W · Structure no. 9477

Built
1936
89 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
39 ft
1 main span
Daily traffic
201
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Yy S over Possum Br is a steel stringer/multi-beam or girder carrying Rt Yy S over Possum Br in Bates County, Missouri. It was built in 1936, so it is 89 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 201 vehicles a day, roughly 15% of them trucks, projected to reach 271 by 2044. The structure is 39 ft (11.9 m) long and 19 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesRt Yy S
CrossesPossum Br
LocationS 3 T 39 N R 31 W
RouteState Highway 0YY
CountyBates County
StateMissouri
Coordinates38.21076, -94.31391
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.6 US tons
Inventory rating31.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 10
Structure length39 ft (11.9 m)
Longest span37 ft (11.4 m)
Deck width19 ft (5.9 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic201 (2024)
Projected traffic271 by 2044
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$329,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt Yy S over Possum Br built?

It was built in 1936, making it 89 years old in 2025.

What condition is Rt Yy S over Possum Br in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2023.

How much traffic does Rt Yy S over Possum Br carry?

About 201 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is Rt Yy S over Possum Br?

The structure is 39 ft (11.9 m) long with a longest span of 37 ft (11.4 m) and a deck 19 ft wide.

Who owns Rt Yy S over Possum Br?

It is owned by the State Highway Agency.